<template>
	<view class="search">		
		<Lines/>	
		
		<view class="search-item">
			<view class="search-title">
				<view class="f-color">最近搜索</view>
				<view class="iconfont icon-iconset0213" @tap="clearHistory"></view>
			</view>
			<view v-if="searchData.length > 0">
				<view class="search-name f-color"
					v-for="(item,index) in searchData"
					:key="index"
					@tap="toSearchList(item)"
				>
					{{item}}
				</view>
			</view>
			<view v-else class="search-end">暂无搜索记录</view>
		</view>
		
		<view class="search-item">
			<view class="search-title">
				<view class="f-color">热门搜索</view>
			</view>
			<view>
				<view class="search-name f-color">四件套</view>
				<view class="search-name f-color">面膜</view>
			</view>
		</view>
		
		
	</view>
</template>

<script>
	import Lines from '@/components/common/Lines.vue'
	export default{
		data(){
			return{
				// 输入的关键词
				keyword:'',
				// 搜索过的词记录
				searchData:[]
			}
		},
		// 页面加载的时候
		onLoad() {
			uni.getStorage({
				key:"searchData",
				success: (res) => {
					// console.log(res)
					this.searchData = JSON.parse( res.data )
				}
			})
		},
		// 监听input输入内容
		onNavigationBarSearchInputChanged(e){
			this.keyword = e.text
		},
		// 点击顶栏中的搜索按钮的
		onNavigationBarButtonTap(e){
			this.search()
		
		},
		// 监听软键盘的搜索按钮点击的
		onNavigationBarSearchInputConfirmed(){
			this.search()
		},
		components:{
			Lines
		},
		methods:{
			// 判断关键词是否为空和跳转画面的
			search(){
				if(this.keyword === ''){
					return uni.showToast({
						title:"关键词不能为空",
						icon:"none"
					})
				}else{
					this.toSearchList(this.keyword)
				}
				uni.hideKeyboard()
				this.addSearch()
			},
			// 记录最近搜索词
			addSearch(){
				
				let idx = this.searchData.indexOf(this.keyword);
				if(idx < 0){
					this.searchData.unshift( this.keyword )
				}else{
					this.searchData.unshift(this.searchData.splice(idx,1)[0])
				}
				
				uni.setStorage({
					key:"searchData",
					data:JSON.stringify(this.searchData)					
				})			
			},
			// 清楚搜索记录
			clearHistory(){
				uni.showModal({
					title:"重要提示",
					content:'是否要清除搜索记录?',
					cancelText:'取消',
					confirmText:'确定',
					success: (res) => {
						if(res.confirm){
							uni.removeStorage({
								key:"searchData"
							})
							this.searchData = []
						}
					}
				})
			},
			// 点击搜索记录跳转页面
			toSearchList(item){
				uni.navigateTo({
					url:"../search-list/search-list?keyword="+item+""
				})
			}
		}
	}
</script>

<style scoped>
.search-item{
	padding: 20rpx;
}
.search-title{
	display: flex;
	justify-content: space-between;
}
.search-name{
	padding: 4rpx 24rpx;
	background-color: #e1e1e1;
	display: inline-block;
	border-radius: 26rpx;
	margin: 10rpx;
}
.search-end{
	text-align: center;
}
</style>